名词
中文翻译：信鸽
同义词：
['postman', 'messenger']
例句：
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1. The postman delivered the mail this morning.
邮递员今天早上送来了邮件。
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2. The messenger brought the important documents to her office.
信使把重要的文件带到了她的办公室。
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3. The postman was very helpful in delivering the package.
邮递员在送包裹时非常有帮助。